Answer to Question #267055 in Physics for aliyah

Question

1. Blood is flowing through an artery of radius 2 mm at a velocity of 40 cm/s. Determine the flow rate and the volume that passes through the artery in a period of 30 s.

2. A block with a mass of 200 g is connected to a light spring for which the force constant is 5.00 N/m and is free to oscillate on a horizontal, frictionless surface. The block is displaced 5.00 cm from equilibrium and released from rest (a) Find the period of its motion. (b) Determine the maximum speed of the block. (c) What is the maximum acceleration of the block? (d) Express the displacement, speed, and acceleration as functions of time.

3. Suppose that a person of weight 75 kg and height 1.5 m reduces her sleep by 1 hr/day and spends this extra time doing moderate physical work. If her food intake remains unchanged, how much weight will she lose in one year?

Answer 1

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